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Mini-Rooter™ Operating Instructions For 1-1/4” through 4” lines (30mm—100mm) Your Mini-Rooter is designed to give you years of trouble-free, profitable service. However, no machine is better than its operator. Read, understand and follow all safety warnings and instructions provided with the product. Failure to follow the warnings and instructions may result in electric shock and/or serious injury. Save all warnings and instructions for future reference. SAVE THESE INSTRUCTIONS! Pour français voir la page 11 Para ver el español vea la paginá 21 Mini-Rooter™ Electric shock resulting in death can occur if you plug this machine into an improperly wired outlet. If the ground wire is electrified, you can be electrocuted by just touching the machine, even when the power switch is off. A ground fault circuit interrupter will not protect you in this situation. Use a UL approved tester to determine if the outlet is safe. WARNING! Read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious personal injury. Replacement manuals are available upon request at no charge, or may be downloaded from our website, www.drainbrain.com. Instructional videos are available for download on our website, and may be ordered. If you have any questions or problems, please call General’s customer service department at 412-771-6300. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite dust or fumes. SAVE THESE INSTRUCTIONS! These instructions are intended to familiarize all personnel with the safe operation and maintenance procedures for the Mini-Rooter. Only wear leather gloves. Never use any other type of glove, such as cloth, rubber, or coated gloves. Never grasp a rotating cable with a rag. These items could become wrapped around the cable and cause serious injury. SAFETY SYMBOLS This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Always wear safety glasses and rubber soled, non-slip shoes. Use of this safety equipment may prevent serious injury. DANGER indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. Never operate machine with belt guard removed. Fingers can get caught between belt and pulley. WARNING indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. Do not overstress cables. Overstressing cables may cause twisting, kinking, or breaking of the cable and may result in serious injury. CAUTION indicates a hazard with a low level of risk which, if not avoided, will result in minor or moderate injury. 2 Mini-Rooter™ Personal Safety GENERAL SAFETY RULES 1. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury. WARNING Read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury. 2. Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts. SAVE THESE INSTRUCTIONS! Work Area 1. Keep work area clean and well lit. Cluttered benches and dark areas invite accidents. 3. Avoid accidental starting. Be sure switch is off before plugging in. Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents. 2. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes. 4. Remove adjusting keys or switches before turning the tool on. A wrench or key that is left attached to a rotating part of the tool may result in personal injury. 3. Keep bystanders, children, and visitors away while operating a power tool. Distractions can cause you to lose control. 5. Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpected situations. Electrical Safety 1. Grounded tools must be plugged into an outlet, properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding prong or modify the plug in any way. Do not use any adapter plugs. Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. If the tool should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user. 6. Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions. Tool Use and Care 1. Use clamps or other practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against your body is unstable and may lead to loss of control. 2. Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded. 2. Do not force tool. Use the correct tool for your application. The correct tool will do the job better and safer at the rate for which it is designed. 3. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. 3. Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled with the switch is dangerous and must be repaired. 4. Do not abuse the cord. Never use the cord to carry the tools or pull the plug from an outlet. Keep cord away from heat, oil, sharp edges or moving parts. Replace damaged cords immediately. Damaged cords increase the risk of electric shock. 4. Disconnect the plug from the power source before making any adjustments, changing accessories, or storing the tool. Such preventative safety measures reduce the risk of starting the tool accidentally. 5. When operating a power tool outside use an outdoor extension cord marked “W-A” or “W”. These cords are rated for outdoor use and reduce the risk of electric shock. 5. Store idle tools out of reach of children and other untrained persons. Tools are dangerous in the hands of untrained users. 6. Test the Ground Fault Circuit Interrupter (GFCI) provided with the power cord to insure it is operating correctly before operating machine. Machine must have a properly functioning ground fault circuit interrupter on the power cord. GFCI reduces the risk of electric shock. 6. Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained tools, with sharp cutting edges are less likely to bind and are easier to control. 7. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool‟s operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly maintained tools. 7. Extension cords are not recommended unless they are plugged into a Ground Fault Circuit Interrupter (GFCI) found in circuit boxes or outlet receptacles. The GFCI on the machine power cord will not prevent electric shock from the extension cords. 8. Only use accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool may become hazardous when used on another tool. 8. Only use proper three-wire extension cords in good condition which have three-prong grounding plugs and three-pole receptacles which accept the tool‟s plug. Use of damaged, inferior, or other extension cords will not ground the tool. Increases the risk of electric shock and bodily injury or death. Service 1. Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified repair personnel could result in risk of injury. 9. Keep all electric connections dry and off the ground. Reduces the risk of electric shock. 2. When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance Instructions may create a risk of electric shock or injury. 10. DO NOT touch plugs or tools with wet hands. Reduces the risk of electric shock. 3 Mini-Rooter™ SPECIFIC SAFETY RULES Ground Fault Circuit Interrupter (GFCI) Your machine is equipped with a ground fault circuit interrupter, which protects you against shock if a short circuit should occur. Check that receptacle is properly grounded. Test the GFCI before each use. 1. Plug into 120-volt receptacle. 2. Push test button. Indicator light will go out and power to machine should cut off. 3. If light does not go out when test button is pushed, DO NOT USE THE MACHINE until proper repairs can be made. 4. To restore power after test, push reset button. With the reset button depressed, if the machine doesn't start, stops while running, or if the operator experiences a mild shock, DO NOT USE THE MACHINE! Tag the machine out of service and take it to a motor repair center or return it to the factory for repairs. This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Electric shock resulting in death can occur if you plug this machine into an improperly wired outlet. If the ground wire is electrified, you can be electrocuted by just touching the machine, even when the power switch is off. A ground fault circuit interrupter will not protect you in this situation. Use a UL approved tester to determine if the outlet is safe. Do not overstress cables. Overstressing cables may cause twisting, kinking, or breaking of the cable and may result in serious injury. THE SECTION OF CORD BETWEEN THE WALL PLUG AND THE GFCI IS NOT IN THE PROTECTED CIRCUIT. 1. Only wear leather gloves. Never use any other type of glove, such as cloth, rubber, or coated gloves. Never grasp a rotating cable with a rag. These items could become wrapped around the cable and cause serious injury. FEATURES 2. Never operate machine with belt guard removed. Fingers can get caught between belt and pulley. Motor Switch Mini-Rooter Closed Drum 3. Do not overstress cables. Keep leather-gloved hand on the cable for control when machine is running. Overstressing cables because of an obstruction may cause twisting, kinking, or breaking of the cable and may result in serious injury. Belt Guard V-Belt 4. Place the machine at a distance not greater than two feet from the opening. Greater distances can result in cable twisting or kinking. Carrying Handle Female Connector Cutter Drum 5. Machine is designed for ONE-PERSON operation. Operator must control foot switch and cable. Cable 6. Do not operate machine in reverse (REV). Operating machine in reverse can result in cable damage and is used only to back cutting tool out of an obstruction. Foot Pedal NOTE: Do not operate machine if warning labels on the switch box and power cord are missing or illegible. 7. Keep hands away from rotating drum. Do not reach into drum unless machine is unplugged. Hand may be caught in the moving parts resulting in serious injury. 8. Be careful when cleaning drains where cleaning chemicals have been used. Avoid direct contact with skin and eyes. Drain cleaning chemicals can cause serious burns as well as damage the cable. Mini-Rooter Open Drum Motor Switch 9. Do not operate machine if operator or machine is standing in water. Will increase risk of electrical shock. Belt Guard 10. Wear safety glasses and rubber soled, non-slip shoes. Use of this safety equipment may prevent serious injury. V-Belt 11. Before starting each job, check that the cable in the drum is not broken or kinked, by pulling the cable out and checking for wear or breakage. Always replace worn out (kinked or broken) cables with genuine GENERAL replacement cables. Carrying Handle Female Connector Cutter Cage 12. Only use this tool in the application for which it was designed. Follow the instructions on the proper use of the machine. Other uses or modifying the drain cleaner for other applications may increase risk of injury. Cable Foot Pedal NOTE: Do not operate machine if warning labels on the switch box and power cord are missing or illegible. 4 Mini-Rooter™ Cable Application Chart (Table 1) Operation Cable Size 1/2" Pipe Typical Max. Applications Size Capacity 3" to 4" Roof Stacks and Small Floor Drains 75 ft. (No roots) 3/8" 2" to 3" Roof Stacks, Laundry Lines & Small 75 ft. Drains *5/16" 1-1/2" Sinks, Basins & Small Drains 50 ft. to 2" 1-1/4" Small Lines, Tubs & Shower Drains *1/4" 50 ft. to 2" *The 1/4‖ and 5/16‖ diameter cables are for use with the J-Drum and Dual Drum. 1. Begin by pulling the cable from the drum/cage and sliding it into the drain as far as it will go. 2. Move the motor switch to the forward position. 3. With both hands (wearing leather gloves) on the cable, depress the air foot pedal to start machine. 4. Feed the cable into the line and against the obstruction with a firm, even pressure. Adjust the feeding rate to the resistance met. Do not force the cable – let the cutter do the work. The job won’t get done any faster and you could damage the cable. DO NOT USE TOO MUCH FORCE – LET THE CUTTER DO THE WORK. 5. Don't leave too much slack in the cable since this will cause whipping. If the cable starts to bend or build up too much twist, release pressure on the foot pedal and rotate the drum in the opposite direction to relieve the twist on the cable. Push any excess cable back into the drum and then continue. Cutter Application Chart (Table 2) Cutter Cat. # Typical Applications Cutters for 3/8” and 1/2”Cables Arrow Head Boring Gimlet 1-1/2‖ U-Cutter 2‖ Side Cutter Blade AH Starting tool, ideal for cutting and scraping. BG Starting tool, to remove loose objects. DO NOT ALLOW TOO MUCH SLACK IN THE CABLE BETWEEN MACHINE AND DRAIN OPENING SINCE THIS CAN CAUSE CABLE WHIPPING. 6. If you're having trouble getting around tight bends, try putting the machine in reverse while applying steady pressure. (If using Power Cable Feed, putting motor in reverse will cause the feed control lever to operate opposite of normal.) Note: If your machine is equipped with a momentary contact reverse switch, you must hold the switch in position when operating the machine in reverse. 1-1/2UC Finishing tool, works well in grease stoppages. 2SCB Finishing tool, for scraping inside edges of pipe. Note: There are no fixed rules for what cutter to use. If one tool does not take care of a stoppage, simply try another. OPERATING INSTRUCTIONS Set-Up MAKE SURE THE MOTOR SWITCH IS IN THE „OFF‟ POSITION! 1. Place machine within approximately two feet (.6m) of drain opening. If you can’t place the machine this close to the drain opening, run the cable through a metal guide tube to prevent cable whipping. Don't run motor in reverse for more than a few seconds at a time as this could cause tangling in the drum or kinking. 7. If you still can't get around the bend, you're probably using too large a cable. Switch to a 3/8" diameter cable, or even a smaller one if necessary. (See Cable Application Chart—Table 1) 2. Position the foot pedal for easy accessibility. The machine is designed for one-person operation. Be sure you can quickly remove your foot from the pedal in an emergency. 8. When the cable reaches the stoppage, allow the cable to progress forward slowly, chewing into the stoppage as it goes. This slow forward movement will reduce stress on the cable while doing a more thorough cleaning job. A back and forth action often works best. 3. Be sure the motor switch is in the off position. 4. Select the proper cutting tool (See Cutter Application Chart—Table 2). A good tool to start with is the Arrow Head or Boring Gimlet. After the line is opened, follow with larger blades, which scrape the inside edges of the pipe, assuring a real cleaning job. Hint: It's often helpful to have a small stream of water running in the line to wash the cuttings away while the machine is in operation and after. 5. Insert the cutter into the female connector at the end of the 3/8" or 1/2" cable and tighten the connecting screw and lock washer firmly in place. 5 Mini-Rooter™ 9. Be careful not to let the cutter get caught in the stoppage as you work through it. This can cause kinking and breaking of the cable. When you feel the cable starting to twist in your hands, stop the machine and pull back on the cable. This will free the cutter from the obstruction. Then allow the cable to move forward slowly into the stoppage. Remember, no cutting takes place when the blades stop turning. 5. Tighten the knob at the top of the Power Cable Feed so that the feed roller presses against the cable. Be sure not to over tighten since this could cause excess cable wear. Note: The Power Cable Feed is designed for use with 3/8‖ and 1/2‖ cables only. 10. After the line has been opened, retract the cable. Make sure the motor switch is in the forward position. This is important to prevent the cable from tangling in the drum or in the line. 6. The feed lever controls the feeding rate and direction of the cable. Move the lever down to feed the cable out of the drum. The further the lever is moved downward, the faster the cable will feed out. Move the lever up to retract the cable into the drum. When the lever is in the middle (neutral) position, the cable will spin in place. 7. Move the motor switch to the forward position. Then, with a gloved hand on the guide tube, depress the air foot pedal to start machine. 8. Feed the cable into the line and against the obstruction with a firm, even pressure. Adjust the feeding rate to the resistance met. Do not force the cable – let the cutter do the work. The job won’t get done any faster and you could damage the cable. Note: In operation, use the least pressure possible to get the job done in order to minimize wear on the feed and cable. DO NOT USE REVERSE TO PULL THE CABLE OUT OF THE DRAIN. RUNNING MACHINE IN REVERSE CAN CAUSE THE CABLE TO TANGLE IN THE DRUM. 11. When the cutter is near the drain opening, take your foot off the pedal to stop drum rotation. Never retract the cutter from drain while cable is rotating. The cable could whip and cause serious injury. DO NOT USE TOO MUCH FORCE – LET THE CUTTER DO THE WORK. POWER CABLE FEED (Optional. Cat. # PO-MR) The variable speed Power Cable Feed is designed for use with 3/8‖ and 1/2‖ cables. If the feed was purchased separately, see ―How to Install Power Cable Feed.‖ 9. Don't leave too much slack in the cable since this will cause whipping. If the cable starts to bend or build up too much twist, release pressure on the foot pedal and rotate the drum in the opposite direction to relieve the twist on the cable. Push any excess cable back into the drum and then continue. 1. Be sure you have read and understand the instructions for manual feed before using the Power Cable Feed. Misuse of the feed can result in severe damage to the cable. 2. Put the feed control handle in the neutral position. Then, loosen the feed pressure knob and pull three feet of cable from the drum/cage. 3. Slide the guide tube (Cat. # MRGT) over the cable and snap the tube into place on the feed spout. (Be sure to remove the cutter and connecting screw from the female connector first. Reattach desired cutter to cable after guide tube is attached to feed.) 4. Place machine within approximately two feet of drain opening. Be sure the Mini-Rooter Guide Tube (MR-GT) is in place. If you can’t place the machine this close to the drain opening, run the cable through the optional Guide Tube Extension (GTE) or a metal guide tube to prevent cable whipping. Feed Pressure Knob DO NOT ALLOW TOO MUCH SLACK IN THE CABLE BETWEEN MACHINE AND DRAIN OPENING SINCE THIS CAN CAUSE CABLE WHIPPING. 10. When the cable reaches stoppage, put the feed in neutral. Then allow the cable to progress forward slowly, chewing into stoppage as it goes. This slow movement will reduce stress on cable while doing a more thorough cleaning job. A back and forth motion often works best. 11. Move the feed lever to the reverse position (upward) to retract the cable. If more pulling power is required, the motor may be put in reverse and the feed lever moved downward to forward position. 12. After the line has been opened, retract the cable by moving the feed lever up. Make sure the motor switch is in the forward position. This is important to prevent the cable from tangling in the drum or in the line. Feed Control Lever DO NOT RUN MOTOR IN REVERSE FOR MORE THAN A FEW SECONDS AT A TIME SINCE THIS COULD CAUSE THE CABLE TO KINK OR TANGLE IN THE DRUM. Reverse 13. When the cutter is near the drain opening, take your foot off the pedal to stop drum rotation. Never retract the cutter from drain while cable is rotating. The cable could whip and cause serious injury. Neutral Forward 6 Mini-Rooter™ SPECIAL OPERATIONS HOW TO INSTALL 3/8" AND 1/2" CABLES IN DRUM IF CABLE GETS CAUGHT IN LINE DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING CABLES OR DRUMS! The motor can be reversed to free cable if it gets caught in the line. Use the following procedure: 1. Move toggle switch on motor to reverse position. 2. Wearing leather gloves, pull on cable while the drum is turning in reverse. 1. There is a socket inside the drum for the back end of the cable. Rotate the drum so that the socket is at the bottom. 2. Position the distributor tube so that it is pointing downward. 3. Push the cable into the drum until there is a full loop in the drum. 4. Reach into the drum, grasp the cable, and bend it into the socket. 5. Remove V-Belt and rotate the drum to the right, or clockwise, with one hand while pushing cable into the drum with the other hand. DO NOT RUN MOTOR IN REVERSE FOR MORE THAN A FEW SECONDS AT A TIME SINCE THIS COULD CAUSE THE CABLE TO KINK OR TANGLE IN THE DRUM. 3. When the cable is freed, slide excess cable back into drum. 4. Move the toggle switch to the forward position again, and continue at Step 3 of the Operating Instructions. Note: The cable should lay in the drum in a clockwise direction. IF CABLE TANGLES IN DRUM This is almost always caused by using too much pressure when feeding the cable, or by feeding the cable while running the machine in reverse. To untangle, rotate drum in opposite direction. This will usually get the cable to lie in the drum properly If cable has become badly tangled, which shouldn’t happen when machine is used properly, it can be straightened out by removing the distributor tube from the drum. To do this: HOW TO USE J-DRUM (Optional. Cat. No. MR-250) The J-Drum holds 50 feet of 1/4‖ or 5/16‖ cable to be used when you need to clear smaller 1-1/4‖ to 2‖ lines. These cables have a basin plug head that can be spun through most strainers. (See Cable Application Chart—Table 1) DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING CABLES OR DRUMS! 1. Loosen the four bolts that hold the distributor tube cone on the front of the drum. 2. Pull the cone and distributor tube forward, then pull the tangled portion of the cable out of the drum. 3. After the cable has been straightened out, slide the distributor tube and cone back along the cable until it can be repositioned and bolted to the front of the drum. 4. Then, push the excess cable back into the drum. DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING CABLES OR DRUMS! 1. To install cable, open chuck jaws fully so that cable will pass through easily. 2. Slide the back end of the cable (opposite to the end with basin head) through spout and into the drum. The cable will be easier to install if you bend the last inch of cable at a 45 degree angle. 3. When working through difficult stoppages or tight bends, tighten the chuck to provide more torque and to prevent the cable from tangling in the drum. 4. Clean and lubricate chuck regularly to prevent corrosion. HOW TO REMOVE DRUM FROM MACHINE DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING CABLES OR DRUMS! HOW TO USE DUAL-DRUM 1. Push down on the spring-loaded motor and slide the V-Belt off the back of the drum. (Optional—Cat #MR-280) The Dual-Drum holds two different diameter cables at the same time. Inner and outer drum compartments protect the cable from tangling. You can easily switch from 1/4‖ to 5/16‖ or 3/8‖ cables without removing either one from the drum. 2. Reach behind the drum and locate the drum-retaining latch. Pull the latch to release the drum shaft, then pull the drum forward off of the machine. 3. To install the drum, simply slide drum onto machine. The latch will lock automatically. DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING CABLES OR DRUMS! 4. Remove the belt guard by loosening retaining knob on top. Position the V-Belt around the drum, then press down on the motor and slip V-belt onto the pulley. Be sure to reattach the belt guard. 1. Install 1/4‖ cable into the Dual-Drum by sliding the back end of the cable (opposite to end with basin head) through spout and into the inner drum. The cable will be easier to install if you bend the last inch of cable at a 45-degree angle. 7 Mini-Rooter™ 3. Fully loosen upper clamp knob on the feed support bracket and snap the clamp over the Mini-Rooter’s upper frame. Center the feed over the drum spout and slide the cable through the feed rollers. Then moderately tighten the knob. 4. Loosen the two lower clamp cap screws to allow the clamps to fit over the lower frame. Note that the ―short‖ clamp half should be closest to the floor. 5. It may be necessary to loosen and re-adjust the upper tube length to get the correct fit. Loosen the two set screws in the upper tube and slide the assembly to get the best fit. 6. When alignment is correct, tighten the lower clamp set screws. Screws should not be fully tightened. Make snug only so that the bracket is able to pivot. 7. Fully tighten the upper tube set screws. 8. Test the bracket by loosening the knob and swinging the feed assembly outward. It should disengage and swing smoothly. 9. Swing the feed assembly back and the clamp should snap into the locked position. Tighten the knob to secure the feed for operation. Do not attempt to use or transport the unit unless the upper clamp knob is tightened. 2. Install the 5/16‖ or 3/8‖ cable into the outer drum by sliding the back end of the cable (opposite to the end with the Female connector) through the spout. Reach one hand into the drum through one of the two ports in the face of the drum and pull the cable end to the left side of the outer drum. Then push another two feet of cable into the drum while pulling the cable downward to form a loop. The cable should lay in the drum in a clockwise direction. 3. Select the appropriate cable for the line you are working on. (See Cable Application Chart—Table 1) If a 1/4‖ cable is required, reach into the Dual-Drum and pull the cable out of the inner drum and through the spout. If a larger cable is required, slide the 1/4‖ cable back though the spout, then reach into the drum and pull the 5/16‖ or 3/8‖ cable from the outer drum through the spout. 4. Each of the cables can be ―chucked‖ in place to provide more torque by pressing the knurled knob against the spring and tightening it against the cable Note: Use HE cables only in Dual-Drum—not EM cables. HOW TO INSTALL DOLLY (Optional. Cat. No. MR-W) The dolly makes it easy to transport the Mini-Rooter to and from the job. Designed especially for the Mini-Rooter, it snaps on and off in seconds and holds the machine securely. To install: MAINTENANCE DISCONNECT MACHINE FROM POWER SOURCE BEFORE PERFORMING MAINTENANCE! DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING DOLLY! To keep your machine operating smoothly, it is essential that all bearings and distributor tube bushings be lubricated. Oiling moving parts is particularly important where machine comes in contact with sand, grit and other abrasive material. 1. Hold the dolly horizontally above the MiniRooter with the wheels toward the back of the machine. 2. Tilt the top of the dolly down so the hooks on the mid-point of the dolly slip under the top crossbar of the machine. Then, lower the wheels to the ground. 3. Step behind the machine. With one foot on the axle, tilt the machine back. 4. Swing the locking brackets over the rear gussets and tighten the knobs on either side to hold the dolly securely in place. CABLE MAINTENENCE To get maximum service from your cables, be sure that they are clean and well oiled. This not only provides running lubrication but greatly extends the life of the cables as well. Some users periodically pour oil directly into the drum. Then, as the drum turns, the cables get complete lubrication. Our SNAKE OIL is ideally suited for this purpose, since it not only lubricates the cables, it deodorizes them as well. HOW TO INSTALL POWER CABLE FEED POWER FEED MAINTENANCE (Optional. Cat. No. PO-MR) Keep feed free of excessive soil and grit. It is recommended that the feed be flushed with fresh water followed by a light oiling of the moving parts. No disassembly is normally required. Failure to feed can usually be traced to the following possibilities: DISCONNECT MACHINE FROM POWER SOURCE BEFORE INSTALLING POWER CABLE FEED! 1. Put the feed control lever in the neutral (middle) position, then loosen the feed tension adjustment knob until the top feed roller lifts out of the way. 2. Pull three feet of cable from drum/cage. Remove cutter and connecting screw from cable. DIRT ACCUMULATION Over time, dirt can harden enough to stop roller rotation. Flushing with water followed by liberal oiling can usually restore function. If disassembly is required, proceed as follows: 1. Remove the feed pressure knob, springs and spring plunger. Note the positioning of these parts to ease re-assembly. The top roller can now be removed. 2. Remove the snap rings and thrust washers from the bottom housing cylinders. The bottom rollers can now be removed. 3. Re-assembly is done in reverse order. 8 Mini-Rooter™ DAMAGED ROLLER 6. Securely tighten the Axle to the Carrier with a 3/16‖ allen wrench. Excessive use may wear a roller to the point of failure. It is recommended that all three rollers be replaced at the same time (Cat # POMR-703). The replacement roller is an assembly consisting of one Feed Roller, two Feed Roller Bearings, and two Bearing Spacers. Note: The Bearing Spacers must be installed between the Carrier and each Feed Roller Bearing (as illustrated below) in order to ensure proper operation and to obtain maximum Feed Roller life. To Replace the Feed Roller Assembly: 1. Remove the Feed Roller Assembly by unscrewing and removing the Feed Roller Axle. 2. For convenience, the components are assembled and wired together at the factory. Before attempting to install the assembly, hold the assembly together and remove the wire. 3. While still holding the Feed Roller Assembly together, insert it into the slot opening of the Carrier. 4. In order to help align the Spacers and Bearings, insert a pencil point or similar object through the un-threaded end of the Axle hole in the Carrier. After removing the pencil point, continue to maintain the alignment of the components. 5. The Feed Roller Axle should then be inserted through the same un -threaded Axle hole and should continue to be guided through the Spacers and Bearings to the threaded Axle hole on the other side of the Carrier. TANGLED CABLE If a cable loops over itself in the drum/cage, it will not feed properly. Remove and reload the cable to restore function. If the cable kinks, it is evidence of abuse and results from the use of too much pressure or use of the wrong size cable for the line. Do not force the cable — let the cutter do the work. TROUBLE SHOOTING GUIDE (Table 3) Problem Probable Cause Solution Cable kinks or breaks. Operator forcing the cable. Do not force the cable. Let the cutter do the work. Too much slack between machine and drain. Allow no more than two feet between machine and drain. Cable used in wrong size drain line. A cable that is too large or too small in diameter for a line is more likely to kink. (Consult Table 1—Cable Applications.) Cable exposed to acid. Clean and oil cables regularly. Operator forcing the cable. Do not force the cable. Let the cutter do the work. Machine running in reverse. Do not run the machine in reverse to retract the cable from the drain. Distributor tube frozen. Lubricate distributor tube bushings. Drum/cage stops while foot pedal depressed. Hole in pedal or hose. Hole in diaphragm switch. If no hole found in pedal or hose, replace diaphragm switch. Drum/cage turns in one direction but not other. Reverse switch or momentary contact switch failure. Replace switch. Note: Momentary contact switch must be held in place when using reverse. Ground fault circuit interrupter trips and will not reset. Damaged power cord or extension cord. Replace cords. Short circuit in motor. Take motor to authorized repair center. Faulty ground fault circuit interrupter. Replace ground fault circuit interrupter. Motor turns but drum/cage does not. Safety Slip Clutch (optional) engaged. Do not force cable. Failure to feed. Cable tangled in drum. Do not run machine in reverse. Use proper cable size. (Consult Cable Application Chart—Table 1). Feed misadjusted. If feed pressure knob is too loose the cable will slip. If it is too tight the feed rollers will wear prematurely. Feed roller frozen. Clean and lubricate feed rollers regularly. Replace worn rollers. Worn cable. When cable coils wear flat, cable should be replaced. Cable tangles in drum/cage. 9 Mini-Rooter™ See pages 31 and 32 for Parts List and Schematic Diagram. 10 Mini-Rooter™ CONSERVEZ CES INSTRUCTIONS ! 12 Mini-Rooter™ CONSIGNES DE SÉCURITÉ GÉNÉRALES CONSERVEZ CES INSTRUCTIONS ! SÉCURITÉ DU SITE SÉCURITÉ PERSONNELLE ÉLECTRICITÉ ET SÉCURITÉ UTILISATION ET SOIN DE L'APPAREIL ENTRETIEN ET RÉPARATIONS LA PORTION DE CORDON COMPRISE ENTRE LA PRISE DE COURANT ET LE DISJONCTEUR NE FAIT PAS PARTIE DU CIRCUIT PROTÉGÉ. 14 Mini-Rooter™ CARACTÉRISTIQUES Couteau Courroie en V AH BG Couteau Dévidoir L’INTERRUPTEUR DE L'APPAREIL DOIT ÊTRE EN POSITION ARRÊT (OFF) ! Couteau Dévidoir 1-1/4 à 2 po 50 pi 50 pi ALIMENTEUR DE CÂBLE AUTOMATIQUE NE LAISSEZ PAS TROP DE CÂBLE ENTRE L'APPAREIL ET L'OUVERTURE DU DRAIN CAR LE CÂBLE RISQUERAIT DE FOUETTER. Neutre Marche avant 16 NE LAISSEZ PAS TROP DE CÂBLE ENTRE L'APPAREIL ET L'OUVERTURE DU DRAIN CAR LE CÂBLE RISQUERAIT DE FOUETTER. 17 Mini-Rooter™ COMMENT UTILISER LE DÉVIDOIR DUAL-DRUM COMMENT INSTALLER UN CÂBLE 1/2 OU 3/8 PO DANS LE DÉVIDOIR Mini-Rooter™ ENTRETIEN DU CÂBLE Mini-Rooter™ L’ENSEMBLE ROULEAU D’ALIMENTATION Ne forcez pas le câble. Mini-Rooter™ Mini-Rooter™ REGLAS GENERALES DE SEGURIDAD LA SECCIÓN DEL CORDÓN ENTRE EL ENCHUFE DE LA PARED Y EL GFCI NO ESTÁ EN EL CIRCUITO PROTEGIDO. 24 Mini-Rooter™ CARACTERÍSTICAS Cortador Conector hembra Cortador Pedal BG ASEGÚRESE DE QUE EL INTERRUPTOR DEL MOTOR ESTÉ EN LA POSICIÓN APAGADO (“OFF”). Conector hembra Cortador Pedal *5/16 pulg *1/4 pulg 3/8 pulg INSTRUCCIONES DE OPERACIÓN Mini-Rooter con Tambor Abierto Interruptor del motor AH Tambor Cable OPERACIÓN 50 pies 25 NO PERMITA DEMASIADO HOLGURA EN EL CABLE ENTRE LA MÁQUINA Y EL ORIFICIO DEL DESAGÜE YA QUE ESTO PUEDE CAUSAR AZOTES DEL CABLE. ALIMENTADOR AUTOMÁTICO DE CABLE (Opcional. Núm. de pieza PO-MR) Neutral 26 OPERACIONES ESPECIALES NO USE DEMASIADA FUERZA: DEJE QUE EL CORTADOR HAGA EL TRABAJO. NO OPERE EL MOTOR EN REVERSA PARA MAS DE UNOS SEGUNDOS A LA VEZ, YA QUE PUEDE SER QUE SE PRODUZCAN ENREDOS O TORCEDURAS EN EL TAMBOR. 27 CÓMO INSTALAR CABLES DE 1/2 Y 3/8 DE PULGADA EN EL TAMBOR ¡DESCONECTE LA MÁQUINA DE LA FUENTE DE ALIMENTACIÓN ANTES DE INSTALAR UN CABLE O TAMBOR! ¡DESCONECTE LA MÁQUINA DE LA FUENTE DE ALIMENTACIÓN ANTES DE INSTALAR UN CABLE O TAMBOR! CÓMO INSTALAR LA CARRETILLA (Opcional. Núm. de pieza MR-W) ¡DESCONECTE LA MÁQUINA DE LA FUENTE DE ALIMENTACIÓN ANTES DE INSTALAR UN CABLE O TAMBOR! 28 Mini-Rooter™ MANTENIMIENTO DE LOS CABLES CÓMO INSTALAR EL ALIMENTADOR AUTOMÁTICO DE CABLE (Opcional. Núm. de pieza PO-MR) MANTENIMIENTO DEL ALIMENTADOR ¡DESCONECTE LA MÁQUINA DE LA FUENTE DE ALIMENTACIÓN ANTES E INSTALAR EL ALIMENTADOR AUTOMÁTICO DE CABLE! ACUMULACIÓN DE SUCIEDAD RODILLO DAÑADO Mini-Rooter™ MINI-ROOTER PARTS LIST CAT. NO. DESCRIPTION MR-100-1 Complete Frame Assembly MR-101 Frame Only MR-102 Rubber Leg Tip (2) MR-104 Shaft Retaining Pin MR-104-A Retaining Pin Spring MR-104-B Retaining Pin Collar MR-105 Shaft Spacer MR-200 Complete Drum Assembly (Enclosed) MR-200-O Complete Drum Assembly (Open) MR-200-1 Drum w/Modified Distributor Tube MR-200-2 Drum w/Inner Drum Cage MR-201-2° Drum Shell MR-201-A-2° Rear Hub Assembly w/Bushing MR-201-A-3 Rear Hub Assembly for Inner Drum MR-201-C Screws, Nuts & Lockwashers (5) MR-201-D Rear Hub Busing MR-201-E Retaining Screw MR-201-O Open Drum Cage MR-201/202-2° Complete Shaft & Hub Assembly MR-202 Shaft MR-202-A Retaining Ring (2) MR-202-B Steel Washer MR-202-C Felt Washer MR-202-D Edging (2) MR-204 Distributor Tube MR-204-A Distributor Tube Rear Collar w/Set Screw MR-204-B Distributor Tube Front Collar w/Set Screw MR-204-2 Distributor Tube Spring & Inner Drum MR-204-3 Inner Drum Cage (New Style) MR-204-4 Flexitube Distributor Tube Assembly MR-205 Fiber Washer (2) MR-206 Front Hub MR-206-A Front Hub Bushing MR-207 Round Head Cap Screw & Lockwashers (4) MR-210 Drum Connecting Cable MR-210-A Connecting Cable Bolt, Nut, & Washer MR-215 Distributor Tube Modification Kit MR-216 Drum Retaining Bolt MR-217 Drum Retaining Washer MR-218 Felt Washer MR-220 Inner Drum Cage MR-250 "J" Drum (for 1/4" & 5/16" Cables) MR-251-1° Rear Shell MR-252 Round Head Machine Screw & Nut (2) MR-255-1♦ Front Drum Assembly for Collet Chuck ♦ MR-255-A-1 Spout Assembly for Collet Chuck MR-255-B Bushing MR-257 Shaft for "J" Drum MR-260-1♦ Collet Chuck Assembly MR-280 Dual Drum Assy. (for 1/4", 5/16", & 3/8" Cables) MR-281 Container Front ° Denotes part for Serial #21566 & Up ♦ Denotes part for Serial #23647 & Up CAT. NO. 31 DESCRIPTION MR-281-A Screws & Nuts (4) MR-282 Container Back MR-283 Chucking Assembly MR-283-A Chuck Body MR-283-B Knurled Knob MR-283-C Spring MR-283-D Screw MR-284 Hub w/Bushing (MR-201-A-2) MR-284-A Nuts & Bolts (5) MR-285 Washer MR-286 Shaft w/Snap Rings & Washers MR-286-A Snap Rings (2) MR-286-B Steel Washer MR-286-C Felt Washer MR-287 Collar w/Set Screw MR-291 Internal Container Front MR-292 Internal Container Back MR-292-A Nuts, Lockwashers & Thumb Nuts (4) MR-293 Beveled Collar MR-300 Motor 1/3 hp w/GFCI, Foot Switch & Rev. Switch A-MR-300 Motor w/Slip Clutch, GFCI, Foot Switch & Reverse Switch MR-301-A 10' Cord w/GFCI MR-301-B Knob for Mounting Stud MR-301-D Stud Replacement MR-303 V-Belt Pulley MR-303-1 Safety Clutch MR-304-1* Motor Support w/Bolts, Nuts, & Washers MR-304-A Guide Screws (2) MR-305 Motor Support Spring MR-306 V-Belt (45") MR-307-2 Belt Guard w/Slot for Mounting Stud MR-308 Foot Switch & Reverse Switch Assembly MR-308-A Box Only w/Cover & Screws MR-308-B Foot Pedal & Hose MR-308-C Hose Clamp (2) MR-308-D Foot Pedal Only MR-308-E Power Switch Diaphragm MR-308-F Air Hose MR-308-G Reverse Switch (3-Way) MR-308-G-1 Momentary Contact Reverse Switch MR-308-H Rubber Boot (Open Cage Units Only) MR-308-J Barbed Adapter MR-308-K Switch Guard MR-308-N Strain Relief Nut GFI-MR Ground Fault Circuit Interrupter MR-DECAL Set of Safety Decals MR-VIDEO Instructional Video PO-MR Mini-Rooter Power Cable Feed MR-GT Guide Tube EM3R8 Adapter * Denotes part for Serial #08627 & Up Denotes part for Serial #14933 & Up Mini-Rooter™ General Wire Spring Co, 1101 Thompson Avenue McKees Rocks, PA 15136 412-771-6300 www.drainbrain.com © General Wire Spring Co. 2010
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